Table 3. Correlation between age, duration of hypertension, duration of smoking and IIEF total.

		Age	Duration of hypertension	Duration of smoking	IIEF
Age	r	1	0.597	0.441	−0.333
	p		0.001	0.017	0.001
Duration of hypertension	r	0.597	1	0.152	−0.240
	p	0.001		0.432	0.001
Duration of smoking	r	0.441	0.152	1	0.025
	p	0.017	0.432		0.898
IIEF	r	−0.333	−0.240	0.025	1
	p	0.001	0.001	0.898
Pearson and Spearman correlation analysis